
What is the surface area of this right rectangular prism with dimensions of 5 centimeters by 5 centimeters by 12 centimeters?
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Mathematics, added 2021-11-26 20:32:25
Find a1 and d for an arithmetic sequence with these terms. a3=-8 and a7=32 ...

Mathematics, added 2021-11-26 19:21:16
Find a1 and d for an arithmetic sequence with these terms. a3=-8 and a7=32 ...




Answered by sqdancefan
The formula I like to use is A = 2(LW + H(L+W)) For your dimensions, this is A = 2((5 cm)(5 cm) + (12 cm)(5 cm + 5 cm)) A = 2(25 cm² + 120 cm²) A = 290 cm² The surface area of your right rectangular prism is 290 cm².